Tractor-trailer aerodynamic drag reducer



FIG. 1 is a front elevational view of the tractor-trailer aerodynamic drag reducer of my new design;

FIG. 2 is a right side view thereof, with the view from the left side corresponding;

FIG. 3 is a top plan view thereof;

FIG. 4 is a perspective view thereof, with the broken line portion shown for illustrative purposes only. 

The ornamental design for tractor-trailer aerodynamic drag reducer, as shown and described. 